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• Low friction 3 piece Teflon lined FK sphericals and Heim joints/rod ends
this system has the sauce to take your RS6/RS7 up to 11
engineered for performance and driving pleasure
Direct Fit: Designed with a specific focus on the Toyota Supra B58 A90
New transparent oil catch can base now available as an option or is sold separately as an upgrade here
MAD BMW S58 3.5'' FATBOY X3M & X4M F97 F98 Downpipes e63 carbon diffuser • Low friction 3 pieceTake your BMW X3M or X4M to the next level with the MAD 3. 5" FatBoy Catless Downpipes. Designed for enthusiasts who demand maximum performance, our latest FatBoy design features a massive 3. 5 inch diameter for significantly improved exhaust flow over traditional downpipes. ETA: Sept 2026 Engineered specifically for the S58 platform, the MAD FatBoy Downpipes reduce exhaust backpressure, allowing the turbochargers to spool faster, improve throttle
